CachedBezier

public final class CachedBezier<Bezier> where Bezier : BezierType

extension CachedBezier: BezierType

extension CachedBezier: Bezier2Type where Bezier: Bezier2Type

extension CachedBezier: BoundedBezier2Type where Bezier: BoundedBezier2Type

A wrapper object that caches information related to its underlying Bézier curve and queries made to it.


                    
                    
                    bezier

Declaration

Swift

private(set) public var bezier: Bezier { get }

init(bezier:)
Declaration
Swift

public init(bezier: Bezier)
flushCachedValues()
Flushes all cached values, reducing memory usage but requiring recomputation on next invocations of cacheable accessors.
Declaration
Swift

public func flushCachedValues()


                    
                    
                    init(p0:p1:p2:p3:)

Convenience initializer for creating CachedBezier instances for CubicBezier types.

Declaration

Swift

public convenience init<Point: Bezier2PointType>(
    p0: Point,
    p1: Point,
    p2: Point,
    p3: Point
) where Bezier == CubicBezier<Point>


                    
                    
                    init(p0:p1:)

Convenience initializer for creating CachedBezier instances for LinearBezier types.

Declaration

Swift

public convenience init<Point: Bezier2PointType>(
    p0: Point,
    p1: Point
) where Bezier == LinearBezier<Point>


                    
                    
                    init(p0:p1:p2:)

Convenience initializer for creating CachedBezier instances for QuadBezier types.

Declaration

Swift

public convenience init<Point: Bezier2PointType>(
    p0: Point,
    p1: Point,
    p2: Point
) where Bezier == QuadBezier<Point>

Input
Declaration
Swift

public typealias Input = Bezier.Input
Output
Declaration
Swift

public typealias Output = Bezier.Output


                    
                    
                    startInput

Declaration

Swift

public var startInput: Bezier.Input { get }


                    
                    
                    endInput

Declaration

Swift

public var endInput: Bezier.Input { get }

pointCount
Declaration
Swift

public var pointCount: Int { get }


                    
                    
                    subscript(_:)

Declaration

Swift

public subscript(pointIndex: Int) -> Bezier.Output { get }


                    
                    
                    compute(at:)

Declaration

Swift

public func compute(at input: Input) -> Output


                    
                    
                    computeSeries(steps:)

Declaration

Swift

public func computeSeries(steps: Int) -> [Bezier.Output]

createLookupTable(steps:)
Note
The result of this operation is cached and reused on next invocations with the same input steps.
Declaration
Swift

public func createLookupTable(steps: Int) -> BezierLookUpTable<Bezier>


                    
                    
                    translated(by:)

Declaration

Swift

public func translated(by offset: Output) -> Self


                    
                    
                    length()

Returns the approximate length of this quadratic Bézier.

Note

The result of this operation is cached.

Declaration

Swift

public func length<Output>() -> Input where Bezier == QuadBezier<Output>, Output : BezierPointType, Output.Scalar == Double


                    
                    
                    length()

Returns the approximate length of this cubic Bézier.

Note

The result of this operation is cached.

Declaration

Swift

public func length<Output>() -> Input where Bezier == CubicBezier<Output>, Output : BezierPointType, Output.Scalar == Double

Available where `Bezier`: `Bezier2Type`


                    
                    
                    rotated(by:)

Declaration

Swift

public func rotated(by angleInRadians: Output.Scalar) -> Self


                    
                    
                    aligned(along:)

Declaration

Swift

public func aligned(along line: LinearBezier2<Output>) -> Self

Available where `Bezier`: `BoundedBezier2Type`


                    
                    
                    boundingRegion()

Note

The result of this operation is cached.

Declaration

Swift

public func boundingRegion() -> (minimum: Bezier.Output, maximum: Bezier.Output)

CachedBezier

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Available where Bezier: Bezier2Type

Declaration

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Available where Bezier: BoundedBezier2Type

Declaration

Available where `Bezier`: `Bezier2Type`

Available where `Bezier`: `BoundedBezier2Type`